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Stephan T. Lavavej | 211056d | 2017-08-31 17:59:42 +0000 | [diff] [blame] | 15 | <a href="https://llvm.org/">LLVM Home</a> |
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Stephan T. Lavavej | 211056d | 2017-08-31 17:59:42 +0000 | [diff] [blame] | 25 | <a href="https://lists.llvm.org/mailman/listinfo/cfe-dev">cfe-dev</a> |
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Marshall Clow | bee8eb9 | 2017-07-16 23:59:23 +0000 | [diff] [blame] | 27 | <a href="https://bugs.llvm.org/">Bug Reports</a> |
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| 33 | <div id="content"> |
| 34 | <!--*********************************************************************--> |
| 35 | <h1>libc++ C++2a Status</h1> |
| 36 | <!--*********************************************************************--> |
| 37 | |
| 38 | <p>In July 2017, the C++ standard committee created a draft for the next version of the C++ standard, known here as "C++2a" (probably to be C++20).</p> |
Stephan T. Lavavej | 211056d | 2017-08-31 17:59:42 +0000 | [diff] [blame] | 39 | <p>This page shows the status of libc++; the status of clang's support of the language features is <a href="https://clang.llvm.org/cxx_status.html#cxx2a">here</a>.</p> |
Marshall Clow | bee8eb9 | 2017-07-16 23:59:23 +0000 | [diff] [blame] | 40 | |
Marshall Clow | ee66b1f | 2017-07-27 17:44:03 +0000 | [diff] [blame] | 41 | <p>Reminder: Features in unreleased drafts of the standard are subject to change.</p> |
| 42 | |
Marshall Clow | bee8eb9 | 2017-07-16 23:59:23 +0000 | [diff] [blame] | 43 | <p>The groups that have contributed papers: |
| 44 | <ul> |
| 45 | <li>LWG - Library working group</li> |
| 46 | <li>CWG - Core Language Working group</li> |
| 47 | <li>SG1 - Study group #1 (Concurrency working group)</li> |
| 48 | </ul> |
| 49 | </p> |
| 50 | |
| 51 | <h3>Paper Status</h3> |
| 52 | <table id="papers" border="1"> |
| 53 | <tr><th>Paper #</th><th>Group</th><th>Paper Name</th><th>Meeting</th><th>Status</th><th>First released version</th></tr> |
| 54 | <!-- |
Stephan T. Lavavej | 952bcd1 | 2017-08-31 17:59:39 +0000 | [diff] [blame] | 55 | <tr><td><a href="https://wg21.link/n3346">3346</a></td><td>LWG</td><td>Terminology for Container Element Requirements - Rev 1</td><td>Kona</td><td>Complete</td><td>3.4</td></tr> |
Marshall Clow | bee8eb9 | 2017-07-16 23:59:23 +0000 | [diff] [blame] | 56 | --> |
Marshall Clow | 4e732c7 | 2017-11-02 14:53:08 +0000 | [diff] [blame] | 57 | <tr><td><a href="https://wg21.link/P0463R1">P0463R1</a></td><td>LWG</td><td>Endian just Endian</td><td>Toronto</td><td>In progress</td><td></td></tr> |
Marshall Clow | bee8eb9 | 2017-07-16 23:59:23 +0000 | [diff] [blame] | 58 | <tr><td><a href="https://wg21.link/P0674R1">P0674R1</a></td><td>LWG</td><td>Extending make_shared to Support Arrays</td><td>Toronto</td><td></td><td></td></tr> |
| 59 | |
| 60 | <!-- <tr><td></td><td></td><td></td><td></td><td></td><td></td></tr> --> |
| 61 | </table> |
| 62 | |
| 63 | <p><i>[ Note: "Nothing to do" means that no library changes were needed to implement this change -- end note]</i></p> |
| 64 | |
| 65 | <h3>Library Working group Issues Status</h3> |
| 66 | <!-- <I>Note: "NAD" means that the issue was deemed "Not a defect"</I> --> |
| 67 | <table id="issues" border="1"> |
| 68 | <tr><th>Issue #</th><th>Issue Name</th><th>Meeting</th><th>Status</th></tr> |
| 69 | <!-- |
Stephan T. Lavavej | 4e74504 | 2017-08-31 17:59:33 +0000 | [diff] [blame] | 70 | <tr><td><a href="https://wg21.link/LWG1214">1214</a></td><td>Insufficient/inconsistent key immutability requirements for associative containers</td><td>Urbana</td><td></td></tr> |
Marshall Clow | bee8eb9 | 2017-07-16 23:59:23 +0000 | [diff] [blame] | 71 | --> |
Stephan T. Lavavej | 4e74504 | 2017-08-31 17:59:33 +0000 | [diff] [blame] | 72 | <tr><td><a href="https://wg21.link/LWG2070">2070</a></td><td><tt>allocate_shared</tt> should use <tt>allocator_traits<A>::construct</tt></td><td>Toronto</td><td>Resolved by <a href="https://wg21.link/P0674R1">P0674R1</a></td></tr> |
| 73 | <tr><td><a href="https://wg21.link/LWG2444">2444</a></td><td>Inconsistent complexity for <tt>std::sort_heap</tt></td><td>Toronto</td><td></td></tr> |
| 74 | <tr><td><a href="https://wg21.link/LWG2593">2593</a></td><td>Moved-from state of Allocators</td><td>Toronto</td><td></td></tr> |
| 75 | <tr><td><a href="https://wg21.link/LWG2597">2597</a></td><td><tt>std::log</tt> misspecified for complex numbers</td><td>Toronto</td><td></td></tr> |
| 76 | <tr><td><a href="https://wg21.link/LWG2783">2783</a></td><td><tt>stack::emplace()</tt> and <tt>queue::emplace()</tt> should return <tt>decltype(auto)</tt></td><td>Toronto</td><td></td></tr> |
| 77 | <tr><td><a href="https://wg21.link/LWG2932">2932</a></td><td>Constraints on parallel algorithm implementations are underspecified</td><td>Toronto</td><td></td></tr> |
| 78 | <tr><td><a href="https://wg21.link/LWG2937">2937</a></td><td>Is <tt>equivalent("existing_thing", "not_existing_thing")</tt> an error</td><td>Toronto</td><td>Complete</td></tr> |
| 79 | <tr><td><a href="https://wg21.link/LWG2940">2940</a></td><td><tt>result_of</tt> specification also needs a little cleanup</td><td>Toronto</td><td></td></tr> |
| 80 | <tr><td><a href="https://wg21.link/LWG2942">2942</a></td><td>LWG 2873's resolution missed <tt>weak_ptr::owner_before</tt></td><td>Toronto</td><td>Complete</td></tr> |
| 81 | <tr><td><a href="https://wg21.link/LWG2954">2954</a></td><td>Specialization of the convenience variable templates should be prohibited</td><td>Toronto</td><td>Complete</td></tr> |
| 82 | <tr><td><a href="https://wg21.link/LWG2961">2961</a></td><td>Bad postcondition for <tt>set_default_resource</tt></td><td>Toronto</td><td></td></tr> |
| 83 | <tr><td><a href="https://wg21.link/LWG2966">2966</a></td><td>Incomplete resolution of US 74</td><td>Toronto</td><td><i>Nothing to do</i></td></tr> |
| 84 | <tr><td><a href="https://wg21.link/LWG2974">2974</a></td><td>Diagnose out of bounds <tt>tuple_element/variant_alternative</tt></td><td>Toronto</td><td>Complete</td></tr> |
Marshall Clow | bee8eb9 | 2017-07-16 23:59:23 +0000 | [diff] [blame] | 85 | |
| 86 | <!-- <tr><td></td><td></td><td></td><td></td></tr> --> |
| 87 | </table> |
| 88 | |
| 89 | <p>Last Updated: 16-Jul-2017</p> |
| 90 | </div> |
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